Astronomical calculations of the sun & the moon.
- Sunrise, sunset, moonrise, moonset times
- Weather on the location
- Twilight
- Civil, nautical, astronomical twilight times
- Weather
- Compass
- Sundial, moondial
- positions of sun & moon
- True north, magnetic north
- Moon phase calendar
- Solar path in a day
- Lunar path
- Lunar path in a day
- 12 Zodiac signs
- 12 points of the Ecliptic
- 24 Solar terms